(Q42812599)

English

Clarification of the pH-dependent kinetic behaviour of papain by using reactivity probes and analysis of alkylation and catalysed acylation reactions in terms of multihydronic state models: implications for electrostatics calculations and interpreta

scientific article published on August 1993

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scholarly article

1 reference

Europe PubMed Central

PMC publication ID

7 November 2017

Clarification of the pH-dependent kinetic behaviour of papain by using reactivity probes and analysis of alkylation and catalysed acylation reactions in terms of multihydronic state models: implications for electrostatics calculations and interpreta (English)

1 reference

Europe PubMed Central

PMC publication ID

7 November 2017

author name string

Mellor GW

1

1 reference

Europe PubMed Central

PMC publication ID

7 November 2017

Patel M

2

1 reference

Europe PubMed Central

PMC publication ID

7 November 2017

Thomas EW

3

1 reference

Europe PubMed Central

PMC publication ID

7 November 2017

Brocklehurst K

4

1 reference

Europe PubMed Central

PMC publication ID

7 November 2017

language of work or name

0 references

publication date

1 August 1993

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Europe PubMed Central

PMC publication ID

7 November 2017

Biochemical Journal

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Europe PubMed Central

PMC publication ID

7 November 2017

294 ( Pt 1)

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Europe PubMed Central

PMC publication ID

7 November 2017

201-210

1 reference

Europe PubMed Central

PMC publication ID

7 November 2017

Appendix: Analysis of pH-dependent kinetics in up to four reactive hydronic states

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

Catalytic-site characteristics of the porcine calpain II 80 kDa/18 kDa heterodimer revealed by selective reaction of its essential thiol group with two-hydronic-state time-dependent inhibitors: evidence for a catalytic site Cys/His interactive syste

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

Ionization characteristics of the Cys-25/His-159 interactive system and of the modulatory group of papain: resolution of ambiguity by electronic perturbation of the quasi-2-mercaptopyridine leaving group in a new pyrimidyl disulphide reactivity prob

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

Effects of conformational selectivity and of overlapping kinetically influential ionizations on the characteristics of pH-dependent enzyme kinetics. Implications of free-enzyme pKa variability in reactions of papain for its catalytic mechanism.

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

Reactivities of the various protonic states in the reactions of papain and of L-cysteine with 2,2'- and with 4,4'- dipyridyl disulphide: evidence for nucleophilic reactivity in the un-ionized thiol group of the cysteine-25 residue of papain occasion

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

Kinetics and thermodynamics of the reactions of acyl-papains. Effects of pH, temperature, solvents, ionic strength, and added nucleophiles

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

Ionization of a nitrophenol-containing reporter group at the active site of papain

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

Substrate-derived two-protonic-state electrophiles as sensitive kinetic specificity probes for cysteine proteinases. Activation of 2-pyridyl disulphides by hydrogen-bonding

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

Supracrystallographic resolution of interactions contributing to enzyme catalysis by use of natural structural variants and reactivity-probe kinetics

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

Differences in the chemical and catalytic characteristics of two crystallographically 'identical' enzyme catalytic sites. Characterization of actinidin and papain by a combination of pH-dependent substrate catalysis kinetics and reactivity probe stu

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

Identification of signalling and non-signalling binding contributions to enzyme reactivity. Alternative combinations of binding interactions provide for change in transition-state geometry in reactions of papain

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

A protein engineering study of the role of aspartate 158 in the catalytic mechanism of papain

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

A general kinetic equation for multihydronic state reactions and rapid procedures for parameter evaluation.

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

Importance of hydrogen-bonding interactions involving the side chain of Asp158 in the catalytic mechanism of papain

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

Structure-function relationships in the cysteine proteinases actinidin, papain and papaya proteinase omega. Three-dimensional structure of papaya proteinase omega deduced by knowledge-based modelling and active-centre characteristics determined by t

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

Evaluation of hydrogen-bonding and enantiomeric P2-S2 hydrophobic contacts in dynamic aspects of molecular recognition by papain

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

A spectrophotometric method for the detection of contaminant chymopapains in preparations of papain. Selective modification of one type of thiol group in the chymopapains by a two-protonic-state reagent

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

The case for assigning a value of approximately 4 to pKaI of the essential histidine-cysteine interactive systems of papain, bromelain and ficin

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

Dependence of the catalytic activity of papain on the ionization of two acidic groups

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

Characterization of the papain active centre by using two-protonic-state electrophiles as reactivity probes. Evidence for nucleophilic reactivity in the un-interrupted cysteine-25-histidine-159 interactive system

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

Potentiometric determination of ionizations at the active site of papain

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

A reporter group delivery system with both absolute and selective specificity for thiol groups and an improved fluorescent probe containing the 7-nitrobenzo-2-oxa-1,3-diazole moiety

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=1134585

27 May 2018

Evidence for multiple reactive forms of papain

1 reference

https://pubmed.ncbi.nlm.nih.gov/8103322

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

The thiol proteinases from the latex of Carica papaya L. I. Fractionation, purification and preliminary characterization

1 reference

https://pubmed.ncbi.nlm.nih.gov/8103322

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

The Preparation and Properties of trans-Cinnamoyl-Papain1

1 reference

https://pubmed.ncbi.nlm.nih.gov/8103322

12 December 2020

based on heuristic

inferred from PubMed ID database lookup

Identifiers

10.1042/BJ2940201

1 reference

Europe PubMed Central

PMC publication ID

7 November 2017

PMC publication ID

1 reference

Europe PubMed Central

PMC publication ID

7 November 2017

PubMed publication ID

1 reference

Europe PubMed Central

PMC publication ID

7 November 2017

ResearchGate publication ID

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